School District · California
Mark Twain Union Elementary School District
📍 Angels Camp, CA · Calaveras County · NCES LEAID 0623970
Kindergarten – 8th
Grade Span
District Contact & Information
Source: NCES CCD 2024–25
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Grades Served
Kindergarten – 8th
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District Mailing Address
PO Box 1359, Angels Camp, CA 95222
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NCES District ID (LEAID)
0623970
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District Type
Public School District
Schools in Mark Twain Union Elementary School District
3 schools listedFrequently Asked Questions
What zip codes are in Mark Twain Union Elementary School District?▼
Mark Twain Union Elementary School District is a city district whose boundary does not contain the centre point of any zip code area, so we cannot list its zip codes from the national boundary data we use. Zip codes and district boundaries do not line up exactly in any case — confirm your address with the district office before relying on an assignment.
How is Mark Twain Union Elementary School District rated?▼
Mark Twain Union Elementary School District has an overall rating of 1 out of 10 (Poor), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 8th percentile among California school districts. Ratings are percentile-ranked within California only and are not comparable across states.
How many students attend Mark Twain Union Elementary School District?▼
The NCES Common Core of Data directory reports enrollment of 765 students across 3 schools for Mark Twain Union Elementary School District.
What grades does Mark Twain Union Elementary School District serve?▼
Mark Twain Union Elementary School District is listed in the NCES directory as serving grades Kindergarten – 8th.
What schools are in Mark Twain Union Elementary School District?▼
NCES lists 3 schools operating under Mark Twain Union Elementary School District: 3 other or combined. Each school's grade span, enrollment and city are listed on this page. Attendance zones are set by the district and a school on this list is not necessarily the one your address is assigned to.
How do I contact Mark Twain Union Elementary School District?▼
You can reach Mark Twain Union Elementary School District by phone at (209)736-1855 or online at www.mtwain.k12.ca.us or by mail at PO Box 1359, Angels Camp, CA 95222. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
About Mark Twain Union Elementary School District
Mark Twain Union Elementary School District is a public school district in California, in Calaveras County. It carries an overall rating of 1/10 (Poor), the 8th percentile among California districts. That rating reflects the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts with a 2017–18 fallback for the rest) and is ranked only against other California districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.
Schools in this district
NCES lists 3 schools operating under Mark Twain Union Elementary School District — 3 other or combined. The largest by enrollment is Mark Twain Elementary with 507 students. School-level enrollment comes from the NCES Common Core of Data school directory; a school with no reported enrollment is shown with a dash rather than a zero.
Checking your own address
District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can
be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your
assignment with the district office at (209)736-1855 before making a housing decision.